Patents by Inventor Mark Westphalen

Mark Westphalen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20070114092
    Abstract: A hydraulic system is disclosed. The hydraulic system includes a source of pressurized fluid and a plurality of fluid actuators configured to affect an amount of resistive torque applied to an associated traction device. The hydraulic system also includes a plurality of valves each configured to selectively communicate pressurized fluid to one of the plurality of fluid actuators. The hydraulic system further includes a controller configured to control the plurality of valves as a function of at least a steering command.
    Type: Application
    Filed: October 31, 2005
    Publication date: May 24, 2007
    Inventors: Rabie Khalil, Edward Mate, John Kaufman, Brad Edler, Xiaodong Huang, Mark Westphalen